Home / 68,340.10-94,169.37-50,406.70

Finding the Fourth Proportional to 68,340.10, 94,169.37 and 50,406.70

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Solution

The fourth proportional to 68,340.10, 94,169.37 and 50,406.70 is: 69,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,340.10 : 94,169.37 = 50,406.70 : x
  2. Step 2: Convert to fraction form
    68,340.10/94,169.37 = 50,406.70/x
  3. Step 3: Cross multiply
    68,340.10x = 94,169.37 × 50,406.70
  4. Step 4: Simplify right side
    68,340.10x = 4,746,767,182.78
  5. Step 5: Solve for x
    x = 4,746,767,182.78/68,340.10
  6. Step 6: Final answer
    x = 69,458.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.